Re: TODO Item: Allow pg_hba.conf to specify host names along with IP addresses

Alvaro Herrera <alvherre@commandprompt.com> writes:
> Perhaps the solution to this problem is to do the lookups and store the
> TTL of each answer.  At the time of actually checking you need only get
> a new answer for those that expired.

This is not behavior we'd want to put into the postmaster, though,
and it's hard to see how to manage it otherwise.  (Well, maybe a new
postmaster child process just for this, but I find it hard to believe
the feature is worth that.)
        regards, tom lane